yann@1: # =========================================================================== yann@197: # crosstool-NG configuration targets yann@1: # These targets are used from top-level makefile yann@1: yann@148: # Derive the project version from, well, the project version: yann@148: export PROJECTVERSION=$(CT_VERSION) yann@148: yann@926: #----------------------------------------------------------- yann@926: # Some static /configuration/ yann@926: yann@1: KCONFIG_TOP = config/config.in yann@926: obj = kconfig yann@925: PHONY += clean help oldconfig menuconfig defoldconfig yann@1: yann@926: #----------------------------------------------------------- yann@926: # List all config files, source and generated yann@97: yann@926: # Build the list of all source config files yann@926: STATIC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(shell find $(CT_LIB_DIR)/config -type f -name '*.in' 2>/dev/null)) yann@926: # ... and how to access them: yann@926: $(STATIC_CONFIG_FILES): config yann@88: yann@926: # Build a list of per-component-type source config files yann@926: ARCH_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/arch/*.in)) yann@926: KERNEL_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/kernel/*.in)) yann@926: CC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/cc/*.in)) yann@926: LIBC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/libc/*.in)) yann@926: DEBUG_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/debug/*.in)) yann@926: TOOL_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/tools/*.in)) yann@182: yann@926: # Build the list of generated config files yann@926: GEN_CONFIG_FILES = config.gen/arch.in \ yann@926: config.gen/kernel.in \ yann@926: config.gen/cc.in \ yann@926: config.gen/libc.in \ yann@926: config.gen/tools.in \ yann@926: config.gen/debug.in yann@926: # ... and how to access them: yann@926: # Generated files depends on kconfig.mk (this file) because it has the yann@926: # functions needed to build the genrated files, and thus they might yann@926: # need re-generation if kconfig.mk changes yann@926: $(GEN_CONFIG_FILES): config.gen \ yann@861: $(CT_LIB_DIR)/kconfig/kconfig.mk yann@182: yann@926: # KCONFIG_TOP should already be in STATIC_CONFIG_FILES, anyway... yann@926: CONFIG_FILES = $(sort $(KCONFIG_TOP) $(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES)) yann@182: yann@926: # Where to access to the source config files from yann@926: config: yann@940: @$(ECHO) " LN config" yann@940: $(SILENT)ln -s $(CT_LIB_DIR)/config config yann@926: yann@926: # Where to store the generated config files into yann@926: config.gen: yann@940: @$(ECHO) " MKDIR config.gen" yann@940: $(SILENT)mkdir -p config.gen yann@926: yann@926: #----------------------------------------------------------- yann@926: # Build list of per-component-type items to easily build generated files yann@926: yann@926: ARCHS = $(patsubst config/arch/%.in,%,$(ARCH_CONFIG_FILES)) yann@926: KERNELS = $(patsubst config/kernel/%.in,%,$(KERNEL_CONFIG_FILES)) yann@926: CCS = $(patsubst config/cc/%.in,%,$(CC_CONFIG_FILES)) yann@926: LIBCS = $(patsubst config/libc/%.in,%,$(LIBC_CONFIG_FILES)) yann@926: DEBUGS = $(patsubst config/debug/%.in,%,$(DEBUG_CONFIG_FILES)) yann@926: TOOLS = $(patsubst config/tools/%.in,%,$(TOOL_CONFIG_FILES)) yann@926: yann@926: #----------------------------------------------------------- yann@926: # Helper functions to ease building generated config files yann@926: yann@926: # The function 'build_gen_choice_in' builds a choice-menu of a list of yann@926: # components in the given list, also adding source-ing of associazted yann@926: # config files: yann@912: # $1 : destination file yann@912: # $2 : name for the entries family (eg. Architecture, kernel...) yann@912: # $3 : prefix for the choice entries (eg. ARCH, KERNEL...) yann@912: # $4 : base directory containing config files yann@912: # $5 : list of config entries (eg. for architectures: "alpha arm ia64"..., yann@912: # and for kernels: "bare-metal linux"...) yann@912: # Example to build the kernels generated config file: yann@920: # $(call build_gen_choice_in,config.gen/kernel.in,Target OS,KERNEL,config/kernel,$(KERNELS)) yann@912: define build_gen_choice_in yann@940: @$(ECHO) ' IN $(1)' yann@940: $(SILENT)(echo "# $(2) menu"; \ yann@920: echo "# Generated file, do not edit!!!"; \ yann@920: echo ""; \ yann@920: echo "choice"; \ yann@920: echo " bool"; \ yann@920: echo " prompt \"$(2)\""; \ yann@920: echo ""; \ yann@920: for entry in $(5); do \ yann@920: file="$(4)/$${entry}.in"; \ yann@920: _entry=$$(echo "$${entry}" |sed -r -s -e 's/[-.+]/_/g;'); \ yann@920: echo "config $(3)_$${_entry}"; \ yann@920: echo " bool"; \ yann@920: printf " prompt \"$${entry}"; \ yann@920: if grep -E '^# +EXPERIMENTAL$$' $${file} >/dev/null 2>&1; then \ yann@920: echo " (EXPERIMENTAL)\""; \ yann@920: echo " depends on EXPERIMENTAL"; \ yann@920: else \ yann@920: echo "\""; \ yann@920: fi; \ yann@920: done; \ yann@920: echo ""; \ yann@920: echo "endchoice"; \ yann@920: for entry in $(5); do \ yann@920: file="$(4)/$${entry}.in"; \ yann@920: _entry=$$(echo "$${entry}" |sed -r -s -e 's/[-.+]/_/g;'); \ yann@920: echo ""; \ yann@920: echo "if $(3)_$${_entry}"; \ yann@920: echo "config $(3)"; \ yann@920: echo " default \"$${entry}\" if $(3)_$${_entry}"; \ yann@920: echo "source $${file}"; \ yann@920: echo "endif"; \ yann@920: done; \ yann@912: ) >$(1) yann@912: endef yann@628: yann@926: # The function 'build_gen_menu_in' builds a menuconfig for each component in yann@926: # the given list, source-ing the associated files conditionnaly: yann@916: # $1 : destination file yann@916: # $2 : name of entries family (eg. Tools, Debug...) yann@916: # $3 : prefix for the menu entries (eg. TOOL, DEBUG) yann@916: # $4 : base directory containing config files yann@916: # $5 : list of config entries (eg. for tools: "libelf sstrip"..., and for yann@916: # debug: "dmalloc duma gdb"...) yann@916: # Example to build the tools generated config file: yann@916: # $(call build_gen_menu_in,config.gen/tools.in,Tools,TOOL,config/tools,$(TOOLS)) yann@916: define build_gen_menu_in yann@940: @$(ECHO) ' IN $(1)' yann@940: $(SILENT)(echo "# $(2) facilities menu"; \ yann@916: echo "# Generated file, do not edit!!!"; \ yann@916: echo ""; \ yann@916: for entry in $(5); do \ yann@916: file="$(4)/$${entry}.in"; \ yann@916: _entry=$$(echo "$${entry}" |sed -r -s -e 's/[-.+]/_/g;'); \ yann@916: echo "menuconfig $(3)_$${_entry}"; \ yann@916: echo " bool"; \ yann@916: printf " prompt \"$${entry}"; \ yann@916: if grep -E '^# +EXPERIMENTAL$$' $${file} >/dev/null 2>&1; then \ yann@916: echo " (EXPERIMENTAL)\""; \ yann@916: echo " depends on EXPERIMENTAL"; \ yann@916: else \ yann@916: echo "\""; \ yann@916: fi; \ yann@916: echo "if $(3)_$${_entry}"; \ yann@916: echo "source $${file}"; \ yann@916: echo "endif"; \ yann@916: echo ""; \ yann@916: done; \ yann@916: ) >$(1) yann@916: endef yann@916: yann@926: #----------------------------------------------------------- yann@926: # The rules for the generated config files yann@916: yann@926: config.gen/arch.in: $(ARCH_CONFIG_FILES) yann@926: $(call build_gen_choice_in,$@,Target Architecture,ARCH,config/arch,$(ARCHS)) yann@861: yann@926: config.gen/kernel.in: $(KERNEL_CONFIG_FILES) yann@926: $(call build_gen_choice_in,$@,Target OS,KERNEL,config/kernel,$(KERNELS)) yann@182: yann@926: config.gen/cc.in: $(CC_CONFIG_FILES) yann@926: $(call build_gen_choice_in,$@,C compiler,CC,config/cc,$(CCS)) yann@926: yann@926: config.gen/libc.in: $(LIBC_CONFIG_FILES) yann@926: $(call build_gen_choice_in,$@,C library,LIBC,config/libc,$(LIBCS)) yann@926: yann@926: config.gen/tools.in: $(TOOL_CONFIG_FILES) yann@926: $(call build_gen_menu_in,$@,Tools,TOOL,config/tools,$(TOOLS)) yann@926: yann@926: config.gen/debug.in: $(DEBUG_CONFIG_FILES) yann@926: $(call build_gen_menu_in,$@,Debug,DEBUG,config/debug,$(DEBUGS)) yann@926: yann@926: #----------------------------------------------------------- yann@926: # The configurators rules yann@182: yann@940: menuconfig: $(obj)/mconf $(CONFIG_FILES) yann@940: $(SILENT)$< $(KCONFIG_TOP) yann@1: yann@942: oldconfig: $(obj)/conf .config $(CONFIG_FILES) yann@940: $(SILENT)$< -s $(KCONFIG_TOP) yann@1: yann@942: defoldconfig: $(obj)/conf .config $(CONFIG_FILES) yann@940: $(SILENT)yes "" |$< -s $(KCONFIG_TOP) yann@159: yann@926: #----------------------------------------------------------- yann@1: # Help text used by make help yann@926: yann@176: help-config:: yann@333: @echo ' menuconfig - Update current config using a menu based program' yann@333: @echo ' oldconfig - Update current config using a provided .config as base' yann@940: @echo ' defoldconfig - As oldconfig, above, but using defaults for new options' yann@1: yann@926: #----------------------------------------------------------- yann@940: # Hmmm! Cheesy build! yann@940: # Or: where I can unveil my make-fu... :-] yann@1: yann@940: # Oh! Files not here are there, in fact! :-) yann@940: vpath %.c $(CT_LIB_DIR) yann@940: vpath %.h $(CT_LIB_DIR) yann@1: yann@940: # What is the compiler? yann@940: HOST_CC ?= gcc -funsigned-char yann@182: yann@943: # Compiler flags to use gettext yann@943: EXTRA_CFLAGS += $(shell $(SHELL) $(CT_LIB_DIR)/kconfig/check-gettext.sh $(HOST_CC) $(CFLAGS)) yann@943: yann@940: # Compiler and linker flags to use ncurses yann@943: EXTRA_CFLAGS += $(shell $(SHELL) $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh -ccflags) yann@943: EXTRA_LDFLAGS += $(shell $(SHELL) $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh -ldflags $(HOST_CC)) yann@182: yann@940: # Common source files, and lxdialog source files yann@940: SRC = kconfig/zconf.tab.c yann@940: LXSRC = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/kconfig/lxdialog/*.c)) yann@816: yann@940: # What's needed to build 'conf' yann@940: conf_SRC = $(SRC) kconfig/conf.c yann@940: conf_OBJ = $(patsubst %.c,%.o,$(conf_SRC)) yann@816: yann@940: # What's needed to build 'mconf' yann@940: mconf_SRC = $(SRC) $(LXSRC) kconfig/mconf.c yann@940: mconf_OBJ = $(patsubst %.c,%.o,$(mconf_SRC)) yann@1: yann@940: # Cheesy auto-dependencies yann@940: DEPS = $(patsubst %.c,%.d,$(sort $(conf_SRC) $(mconf_SRC))) yann@940: yann@940: # This is not very nice, as they will get rebuild even if (dist)cleaning... :-( yann@940: # Should look into the Linux kernel Kbuild to see how they do that... yann@940: # To really make me look into this, keep the annoying "DEP xxx" messages. yann@940: # Also see the comment for the "%.o: %c" rule below yann@940: %.d: %.c $(CT_LIB_DIR)/kconfig/kconfig.mk yann@940: $(SILENT)if [ ! -d $(obj)/lxdialog ]; then \ yann@940: $(ECHO) " MKDIR $(obj)"; \ yann@940: mkdir -p $(obj)/lxdialog; \ yann@940: fi yann@940: @$(ECHO) " DEP $@" yann@943: $(SILENT)$(HOST_CC) $(CFLAGS) $(EXTRA_CFLAGS) -MM $< |sed -r -e 's|([^:]+.o)( *:+)|$(<:.c=.o) $@\2|;' >$@ yann@940: -include $(DEPS) yann@940: yann@940: # Each .o must depend on the corresponding .c (obvious, isn't it?), yann@940: # but *can not* depend on kconfig/, because kconfig can be touched yann@940: # during the build (who's touching it, btw?) so each .o would be yann@940: # re-built when they sould not be. yann@940: # So manually check for presence of $(obj) (ie. kconfig), and only mkdir yann@940: # if needed. After all, that's not so bad... yann@940: # mkdir $(obj)/lxdialog, because we need it, and incidentally, that yann@940: # also creates $(obj). yann@940: # Also rebuild the object files is the makefile is changed yann@940: %.o: %.c $(CT_LIB_DIR)/kconfig/kconfig.mk yann@940: $(SILENT)if [ ! -d $(obj)/lxdialog ]; then \ yann@940: $(ECHO) " MKDIR $(obj)"; \ yann@940: mkdir -p $(obj)/lxdialog; \ yann@940: fi yann@940: @$(ECHO) " CC $@" yann@943: $(SILENT)$(HOST_CC) $(CFLAGS) $(EXTRA_CFLAGS) -o $@ -c $< yann@940: yann@940: $(obj)/mconf: $(mconf_OBJ) yann@940: @$(ECHO) ' LD $@' yann@943: $(SILENT)$(HOST_CC) $(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -o $@ $^ yann@940: yann@940: $(obj)/conf: $(conf_OBJ) yann@940: @$(ECHO) ' LD $@' yann@943: $(SILENT)$(HOST_CC) $(CFLAGS) $(EXTRA_CFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -o $@ $^ yann@1: yann@926: #----------------------------------------------------------- yann@926: # Cleaning up the mess... yann@926: yann@1: clean:: yann@940: @$(ECHO) " CLEAN kconfig" yann@940: $(SILENT)rm -f kconfig/{,m}conf $(conf_OBJ) $(mconf_OBJ) $(DEPS) yann@940: $(SILENT)rmdir --ignore-fail-on-non-empty kconfig{/lxdialog,} 2>/dev/null || true yann@940: @$(ECHO) " CLEAN config" yann@940: $(SILENT)rm -f config 2>/dev/null || true yann@940: @$(ECHO) " CLEAN config.gen" yann@940: $(SILENT)rm -rf config.gen